Tetra Tech Inc (TTEK)

Return on equity (ROE)

Sep 30, 2025 Sep 30, 2024 Sep 30, 2023 Sep 30, 2022 Sep 30, 2021
Net income US$ in thousands 507,285 333,382 273,420 263,125 232,810
Total stockholders’ equity US$ in thousands 1,779,780 1,830,320 1,403,430 1,183,090 1,234,240
ROE 28.50% 18.21% 19.48% 22.24% 18.86%

September 30, 2025 calculation

ROE = Net income ÷ Total stockholders’ equity
= $507,285K ÷ $1,779,780K
= 28.50%